Very limited
USDA rating, 59.5% of rated acres
checked 2026-09-23
Slow water movement
Most common limiting reason
checked 2026-09-23
Yes
Site evaluation required
checked 2026-09-23
How USDA rates the ground in Randolph County
Very limited across most of the county
— 59.5% of the rated acres.
A rating describes the ground, not a parcel. The county's site evaluation decides each lot.
- Very limited — 280,809 acres — 59.5% of 471,889 rated acres.
- Somewhat limited — 191,080 acres — 40.5% of 471,889 rated acres.
- Not rated — 6,517 acres, excluded from the denominator — mostly urban land and water.
59.5% of 471,889 rated acres. 6,517 acres unrated. Survey area NC151 version 32, established 2025-08-28.
USDA NRCS Soil Data Access (SSURGO) · checked 2026-09-23
What limits absorption here
The reasons USDA gives for the rating, by the acres they affect. A component can carry several, so
the acres overlap.
- Slow water movement — 441,790 acres. Reasons overlap — a component can carry several — so these acres exceed rated acres.
- Slope — 250,433 acres. Reasons overlap — a component can carry several — so these acres exceed rated acres.
- Depth to bedrock — 221,091 acres. Reasons overlap — a component can carry several — so these acres exceed rated acres.
- Depth to saturated zone — 60,309 acres. Reasons overlap — a component can carry several — so these acres exceed rated acres.
- Seepage, bottom layer — 35,538 acres. Reasons overlap — a component can carry several — so these acres exceed rated acres.
- Flooding — 17,859 acres. Reasons overlap — a component can carry several — so these acres exceed rated acres.
Ratings by soil map unit
The largest map units in the county, each with its rating. A soil survey names the ground.
The county's evaluation of your lot is what a permit turns on.
- GeB2 — Georgeville silty clay loam, 2 to 8 percent slopes, moderately eroded — 49,649 acres in this county — rated Somewhat limited. Dominant component: Georgeville (90% of the map unit).
- BaD — Badin-Tarrus complex, 15 to 25 percent slopes — 40,691 acres in this county — rated Very limited. Dominant component: Badin (46% of the map unit).
- BtB2 — Badin-Tarrus complex, 2 to 8 percent slopes, moderately eroded — 30,502 acres in this county — rated Very limited. Dominant component: Badin (45% of the map unit).
- GbC — Georgeville silt loam, 4 to 15 percent slopes, extremely stony — 29,393 acres in this county — rated Somewhat limited. Dominant component: Georgeville (95% of the map unit).
- BtC2 — Badin-Tarrus complex, 8 to 15 percent slopes, moderately eroded — 27,066 acres in this county — rated Very limited. Dominant component: Badin (60% of the map unit).
- GaC — Georgeville silt loam, 8 to 15 percent slopes — 24,594 acres in this county — rated Somewhat limited. Dominant component: Georgeville (85% of the map unit).
- BaC — Badin-Tarrus complex, 8 to 15 percent slopes — 22,812 acres in this county — rated Very limited. Dominant component: Badin (46% of the map unit).
- GdE — Georgeville silt loam, 15 to 45 percent slopes, extremely bouldery — 22,454 acres in this county — rated Very limited. Dominant component: Georgeville (95% of the map unit).
USDA NRCS Soil Data Access (SSURGO) · checked 2026-09-23
Verify before you act. Septic rules are set locally and they change. Check anything
here before you spend money on it. Call the Randolph County Environmental Health, on (336) 318-6262.